| [831] | 1 | //
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| 2 | // ********************************************************************
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| 3 | // * License and Disclaimer *
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| 4 | // * *
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| 5 | // * The Geant4 software is copyright of the Copyright Holders of *
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| 6 | // * the Geant4 Collaboration. It is provided under the terms and *
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| 7 | // * conditions of the Geant4 Software License, included in the file *
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| 8 | // * LICENSE and available at http://cern.ch/geant4/license . These *
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| 9 | // * include a list of copyright holders. *
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| 10 | // * *
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| 11 | // * Neither the authors of this software system, nor their employing *
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| 12 | // * institutes,nor the agencies providing financial support for this *
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| 13 | // * work make any representation or warranty, express or implied, *
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| 14 | // * regarding this software system or assume any liability for its *
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| 15 | // * use. Please see the license in the file LICENSE and URL above *
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| 16 | // * for the full disclaimer and the limitation of liability. *
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| 17 | // * *
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| 18 | // * This code implementation is the result of the scientific and *
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| 19 | // * technical work of the GEANT4 collaboration. *
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| 20 | // * By using, copying, modifying or distributing the software (or *
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| 21 | // * any work based on the software) you agree to acknowledge its *
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| 22 | // * use in resulting scientific publications, and indicate your *
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| 23 | // * acceptance of all terms of the Geant4 Software license. *
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| 24 | // ********************************************************************
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| 25 | //
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| 26 | //
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| 27 | // $Id: G4BezierSurface.icc,v 1.4 2006/06/29 18:38:22 gunter Exp $
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| [1228] | 28 | // GEANT4 tag $Name: geant4-09-03 $
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| [831] | 29 | //
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| 30 | // --------------------------------------------------------------------
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| 31 | // GEANT 4 inline definitions file
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| 32 | //
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| 33 | // G4BezierSurface.icc
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| 34 | //
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| 35 | // Implementation of inline methods of G4BezierSurface
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| 36 | // --------------------------------------------------------------------
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| 37 |
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| 38 | inline
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| 39 | G4Point3D G4BezierSurface::AveragePoint() const
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| 40 | {
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| 41 | return average_pt;
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| 42 | }
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| 43 |
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| 44 | inline
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| 45 | void G4BezierSurface::SetAveragePoint(G4Point3D p)
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| 46 | {
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| 47 | average_pt=p;
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| 48 | }
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| 49 |
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| 50 | inline
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| 51 | G4double G4BezierSurface::UAverage() const
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| 52 | {
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| 53 | return average_u;
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| 54 | }
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| 55 |
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| 56 | inline
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| 57 | G4double G4BezierSurface::VAverage() const
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| 58 | {
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| 59 | return average_v;
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| 60 | }
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| 61 |
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| 62 | inline
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| 63 | void G4BezierSurface::Dir(G4int d)
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| 64 | {
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| 65 | dir=d;
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| 66 | }
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| 67 |
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| 68 | inline
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| 69 | void G4BezierSurface::ChangeDir()
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| 70 | {
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| 71 | dir=!dir;
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| 72 | }
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| 73 |
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| 74 | inline
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| 75 | G4double G4BezierSurface::SMin() const
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| 76 | {
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| 77 | return smin;
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| 78 | }
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| 79 |
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| 80 | inline
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| 81 | G4double G4BezierSurface::SMax() const
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| 82 | {
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| 83 | return smax;
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| 84 | }
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| 85 |
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| 86 | inline
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| 87 | G4int G4BezierSurface::GetOrder(G4int direction) const
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| 88 | {
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| 89 | return order[direction];
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| 90 | }
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| 91 |
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| 92 | inline
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| 93 | void G4BezierSurface::PutOrder(G4int direction, G4int value)
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| 94 | {
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| 95 | order[direction]=value;
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| 96 | }
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| 97 |
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| 98 | inline
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| 99 | G4double G4BezierSurface::GetU() const
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| 100 | {
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| 101 | return (u_min + u_max)/2.0;
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| 102 | }
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| 103 |
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| 104 | inline
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| 105 | G4double G4BezierSurface::GetV() const
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| 106 | {
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| 107 | return (v_min + v_max)/2.0;
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| 108 | }
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| 109 |
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| 110 | inline
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| 111 | void G4BezierSurface::LocalizeClipValues()
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| 112 | {
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| 113 | if ( dir == ROW)
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| 114 | {
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| 115 | smin = (1.0 - smin) * u_knots->GetKnot(0) +
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| 116 | smin * u_knots->GetKnot(u_knots->GetSize() - 1);
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| 117 | smax = (1.0 - smax) * u_knots->GetKnot(0) +
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| 118 | smax * u_knots->GetKnot(u_knots->GetSize() - 1);
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| 119 | }
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| 120 | else
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| 121 | {
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| 122 | smin = (1.0 - smin) * v_knots->GetKnot(0) +
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| 123 | smin * v_knots->GetKnot(v_knots->GetSize() - 1);
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| 124 | smax = (1.0 - smax) * v_knots->GetKnot(0) +
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| 125 | smax * v_knots->GetKnot(v_knots->GetSize() - 1);
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| 126 | }
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| 127 | }
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| 128 |
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| 129 | inline
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| 130 | G4double G4BezierSurface::Findzero(G4double x0, G4double x1,
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| 131 | G4double y0, G4double y1) const
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| 132 | {
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| 133 | return(x0 - y0 * ( x1 - x0) / (y1-y0));
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| 134 | }
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| 135 |
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| 136 | inline
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| 137 | G4int G4BezierSurface::Sign(G4double a) const
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| 138 | {
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| 139 | return ((a < 0.0)? -1 : 1);
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| 140 | }
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| 141 |
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| 142 | inline
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| 143 | G4int G4BezierSurface::Amax(G4int i, G4int j) const
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| 144 | {
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| 145 | return( (i) > (j) ? (i) : (j) );
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| 146 | }
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| 147 |
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| 148 | inline
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| 149 | G4int G4BezierSurface::Amin(G4int i, G4int j) const
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| 150 | {
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| 151 | return( (i) < (j) ? (i) : (j) );
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| 152 | }
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| 153 |
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| 154 | inline
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| 155 | G4int G4BezierSurface::AhIndex(G4int j, G4int t, G4int iorder) const
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| 156 | {
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| 157 | return(( (j) * ((j)+1)/2) + (t) - ((iorder-1) - (j)));
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| 158 | }
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